Joint optimization method of safety capacity and energy consumption in wireless relay network
A technology of wireless relay network and energy consumption, which is applied in the direction of network traffic/resource management, wireless communication, energy consumption reduction, etc. It can solve the problems that the role of intermediate nodes cannot be maximized, and no balanced exact solution is given.
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[0051] The present invention is based on two existing cooperative strategies (amplification and forwarding (AF) strategy and cooperative jamming (CJ) strategy), aiming at the characteristics of the current wireless relay network, from practicality and how to maximize network security From the perspective of performance, the proposed amplification and forwarding combined with cooperative jamming (ACJ) strategy. Scenarios for this strategy image 3 Shown:
[0052] Among them, r s 、r e 、r d are source node, eavesdropping node and destination node respectively, and V r and V j are the selected set of relay nodes and the set of selected interfering nodes, respectively. The relay node and the interference node cooperate to send useful information and noise interference signals to the destination node and the eavesdropping node respectively.
[0053] Such as figure 2 As shown, the source node r s To the destination node r d Send a message, but there is an eavesdropping node...
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